Journal cover Journal topic
Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
https://doi.org/10.5194/wes-2017-24
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research articles
08 Jun 2017
Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Wind Energy Science (WES).
Development of a comprehensive data basis of scattering environmental conditions and simulation constraints for offshore wind turbines
Clemens Hübler, Cristian Guillermo Gebhardt, and Raimund Rolfes Institute of Structural Analysis, Leibniz Universität Hannover, Appelstr. 9a, 30167 Hannover, Germany
Abstract. For the design and optimisation of offshore wind turbines, the knowledge of realistic environmental conditions and utilisation of well-founded simulation constraints is very important, as both influence the structural behaviour and power output in numerical simulations. However, real high-quality data, especially for research purposes, is scarcely available. This is why, in this work, a comprehensive data basis of thirteen environmental conditions at wind turbine locations in the North and Baltic Sea is derived using data of the FINO research platforms. For simulation constraints, like the simulation length and start-up time, well-founded recommendations in literature are also rare. Nevertheless, it is known that the choice of simulation lengths and start-up times fundamentally affects the quality and computing time of simulations. For this reason, studies of convergence for both parameters are conducted to determine adequate values depending on the type of substructure, the wind speed and the considered loading (fatigue or ultimate). As the main purpose of both the data basis and the simulation constraints is to compromise realistic data for probabilistic design approaches and to serve as a guidance for further studies in order to enable more realistic and accurate simulations, all results are freely available and easy to apply.

Citation: Hübler, C., Gebhardt, C. G., and Rolfes, R.: Development of a comprehensive data basis of scattering environmental conditions and simulation constraints for offshore wind turbines, Wind Energ. Sci. Discuss., https://doi.org/10.5194/wes-2017-24, in review, 2017.
Clemens Hübler et al.
Clemens Hübler et al.
Clemens Hübler et al.

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Short summary
For the design of offshore wind turbines, the knowledge of environmental conditions is important. However, real high-quality data is rare. This is why a comprehensive data basis of environmental conditions at wind turbine locations in the North and Baltic Sea is derived using real data. The main purpose of this work is to compromise realistic data for probabilistic. Hence, all results are freely available.
For the design of offshore wind turbines, the knowledge of environmental conditions is...
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